Battery holder, battery receiving case, battery pack, electricity accumulation system, electronic instrument, electric vehicle, and electric power system

Abstract

There is provided a battery holder including: a plurality of battery cell receiving sections for receiving a battery cell. A deformation section elastically deformed depending on transmission of external impact, and a space section for allowing the deformation section to be elastically deformed are formed between a peripheral surface of one battery cell receiving section and a peripheral surface of another battery cell receiving section.

The invention is claimed as follows: 
     
       1. A battery holder, comprising:
 a plurality of battery cell receiving sections configured to receive a battery cell, 
 wherein a deformation section and a space section are configured between a first peripheral surface of a first battery cell receiving section of the plurality of battery cell receiving sections and a second peripheral surface of a second battery cell receiving section of the plurality of battery cell receiving sections, 
 wherein the deformation section is configured to elastically deform based on transmission of an impact from external to the battery holder, 
 wherein the space section is configured to allow the deformation section to be elastically deformed, 
 wherein the deformation section includes a first protrusion and a second protrusion, 
 wherein the first protrusion protrudes from the first peripheral surface of the first battery cell receiving section and a first section of the first protrusion is configured to be parallel to the first battery cell receiving section, 
 wherein the second protrusion protrudes from the second peripheral surface of the second battery cell receiving section and a second section of the second protrusion is configured to be parallel to the second battery cell receiving section, and 
 wherein the space section includes:
 a facing gap between a first end surface of the first protrusion and a second end surface of the second protrusion; and 
 a cavity section inside the first protrusion and the second protrusion, wherein the cavity section communicates with the facing gap. 
 
 
     
     
       2. A battery receiving case, comprising:
 a battery holder; and 
 a case configured to receive the battery holder, 
 wherein the battery holder comprises:
 a plurality of battery cell receiving sections configured to receive a battery cell, 
 
 wherein a deformation section and a space section are configured between a first peripheral surface of a first battery cell receiving section of the plurality of battery cell receiving sections and a second peripheral surface of a second battery cell receiving section of the plurality of battery cell receiving sections, 
 wherein the deformation section is configured to elastically deform based on transmission of an impact from external to the battery holder, 
 wherein the space section is configured to allow the deformation section to be elastically deformed, 
 wherein the deformation section includes a first protrusion and a second protrusion, 
 wherein the first protrusion protrudes from the first peripheral surface of the first battery cell receiving section and a first section of the first protrusion is configured to be parallel to the first battery cell receiving section, 
 wherein the second protrusion protrudes from the second peripheral surface of the second battery cell receiving section and a second section of the second protrusion is configured to be parallel to the second battery cell receiving section, and 
 wherein an inner surface of the case comprises a projection that comes into contact with the deformation section, 
 wherein the space section includes:
 a facing gap between a first end surface of the first protrusion and a second end surface of the second protrusion; and 
 a cavity section inside the first protrusion and the second protrusion, wherein the cavity section communicates with the facing gap. 
 
 
     
     
       3. The battery receiving case according to  claim 2 , further comprising:
 a plurality of first projections in line so as to come into contact with the first protrusion; and 
 a plurality of second projections in line so as to come into contact with the second protrusion. 
 
     
     
       4. The battery receiving case according to  claim 3 , wherein the first protrusion, the second protrusion, the plurality of first projections and the plurality of second projections each have sloped sections,
 wherein a first sloped section of the first protrusion comes into contact with the respective first sloped sections of the plurality of first projections, and 
 wherein a second sloped section of the second protrusion comes into contact with the respective second sloped sections of the plurality of second projections. 
 
     
     
       5. The battery receiving case according to  claim 4 , further comprising:
 end surfaces having openings in one end of the first battery cell receiving section and the second battery cell receiving section; 
 a wall section erected in the case so as to be parallel to a determined side plate of the case; and 
 a notch in a position corresponding to positions of the openings in the first battery cell receiving section and the second battery cell receiving section. 
 
     
     
       6. The battery receiving case according to  claim 5 , further comprising:
 positioning section, which integrates a location of the wall section and the determined side plate, 
 wherein a third end surface of the positioning section comes into contact with a boundary region between a fourth end surface of the first battery cell receiving section and the second battery cell receiving section. 
 
     
     
       7. A battery receiving case, comprising:
 a battery holder comprising a plurality of battery cell receiving sections configured to receive a battery cell; and 
 a case configured to receive the battery holder, wherein 
 one end of the plurality of battery cell receiving sections comprises end surfaces having openings, 
 wherein the case comprises:
 a wall section parallel to a determined side plate of the case is erected in the case; 
 a notch in a position corresponding to a position of an opening of the openings in the plurality of battery cell receiving sections; and 
 a positioning section, which integrates a location of the wall section with the determined side plate, 
 
 wherein a first end surface of the positioning section comes into contact with a boundary region between a second end surface of a first battery cell receiving section of the plurality of battery cell receiving sections and a second battery cell receiving section of the plurality of battery cell receiving sections. 
 
     
     
       8. A battery pack, comprising:
 a plurality of battery cells; 
 a battery holder comprising a plurality of battery cell receiving sections configured to receive the plurality of battery cells; and 
 a battery receiving case configured to receive the battery holder, 
 wherein a deformation section and a space section are configured between a first peripheral surface of a first battery cell receiving section of the plurality of battery cell receiving sections and a second peripheral surface of a second battery cell receiving section of the plurality of battery cell receiving sections, 
 wherein the deformation section is configured to elastically deform based on transmission of an impact from external to the battery holder, 
 wherein the space section is configured to allow the deformation section to be elastically deformed, 
 wherein the deformation section includes a first protrusion and a second protrusion, 
 wherein the first protrusion protrudes from the first peripheral surface of the first battery cell receiving section and a first section of the first protrusion is configured to be parallel to the first battery cell receiving section, 
 wherein the second protrusion protrudes from the second peripheral surface of the second battery cell receiving section and a second section of the second protrusion is configured to be parallel to the second battery cell receiving section, and 
 wherein an inner surface of the battery receiving case comprises a projection that comes into contact with the deformation section, 
 wherein the space section includes:
 a facing gap between a first end surface of the first protrusion and a second end surface of the second protrusion; and 
 a cavity section inside the first protrusion and the second protrusion, wherein the cavity section communicates with the facing gap. 
 
 
     
     
       9. The battery pack according to  claim 8 ,
 wherein the battery pack is configured to be charged by a power generator of an electricity accumulation system, and 
 the power generator is configured to perform power generation from renewable energy. 
 
     
     
       10. The battery pack according to  claim 8 ,
 wherein the battery pack is configured to supply electric power to an electronic instrument of an electricity accumulation system connected to the battery pack. 
 
     
     
       11. The battery pack according to  claim 8 ,
 wherein the battery pack is configured to supply electric power to an electronic instrument. 
 
     
     
       12. The battery pack according to  claim 8 , wherein
 the battery pack is configured to supply electric power to a conversion device of an electric vehicle, 
 the conversion device is configured to receive the electric power from the battery pack and convert the electric power into a driving force of the electric vehicle, and 
 the electric vehicle includes a control device configured to perform information processing about vehicle control of the electric vehicle based on information about the battery pack. 
 
     
     
       13. The battery pack according to  claim 8 ,
 wherein charge and discharge of the battery pack is controlled by an electric power system based on information received by an electric power information transmission and reception section, 
 wherein the electric power information transmission and reception section is configured to transmit and receive signals to and from an instrument via a network. 
 
     
     
       14. The battery pack according to  claim 8 ,
 wherein the battery pack is configured to supply a first electric power to an electric power system, and 
 wherein the electric power system is configured to supply a second electric power from one of a power generator or a power network to an electricity accumulation system.